000
00269pas a2200097 454500
008
160820b1961 xxu||||| |||| 00| 0 eng d
022
_a
245
_a
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS: SEC A
260
_a
_b
_c
1961
906
_a
_b
_c
_d
Jan - Dec,2008
999
_c
472593
_d
472593